PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/27-01:58:10
G08     316.7          14.7                6.1 +/-    1.34      15.2 +/-    1.34  0.050 / 0.100
G10     314.8          56.7               10.0 +/-    0.73      11.7 +/-    0.73  0.060 / 0.100
G14     214.0          20.0               13.3 +/-    1.77      29.3 +/-    1.77  0.140 / 0.390
G15     45.8           21.0                4.8 +/-    1.13      10.3 +/-    1.13  0.170 / 0.400
G20     328.2          61.4                8.7 +/-    0.60       9.8 +/-    0.60  0.060 / 0.110
G21     121.6          66.9               10.2 +/-    1.01      11.0 +/-    1.01  0.060 / 0.120
G24     83.7           29.2                7.8 +/-    0.77      14.0 +/-    0.77  0.040 / 0.040
G27     287.5          37.3                7.8 +/-    1.31      11.8 +/-    1.31  0.040 / 0.040
G32     215.9          44.8               12.0 +/-    0.91      16.2 +/-    0.91  0.030 / 0.050